<template>
	<div>
		<!-- 面包屑导航区域 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>商品管理</el-breadcrumb-item>
			<el-breadcrumb-item>商品列表</el-breadcrumb-item>
		</el-breadcrumb>
		<!-- 卡片 -->
		<el-card>
			<el-row :gutter="20">
				<el-col :span="8">
					<el-input placeholder="请输入商品名称" clearable @clear="getGoodsList" clearable v-model="goods.query">
						<el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
					</el-input>
				</el-col>
				<el-col :span="4">
					<el-button type="primary" icon="el-icon-search" @click="goAddpage">添加商品</el-button>
				</el-col>
			</el-row>
			<!-- table表格区域 -->
			<el-table :data="goodsList" border stripe>
				<el-table-column label="#" type="index"></el-table-column>
				<el-table-column label="商品名称" prop="goods_name" ></el-table-column>
				<el-table-column label="商品价格" prop="goods_price" width="95px"></el-table-column>
				<el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
				<el-table-column label="创建时间" prop="upd_time" width="140px">
					<template slot-scope="scope">
						{{scope.row.add_time | dateFormat}}
					</template>
				</el-table-column>	
				<el-table-column label="操作" width="130px">
					<template slot-scope="scope">
						<el-button size="mini" type="primary" icon="el-icon-edit"></el-button>
						<el-button size="mini" type="danger" icon="el-icon-delete" @click="deleteById(scope.row.goods_id)"></el-button>
					</template>
				</el-table-column>
			</el-table>
			<!-- 页码 -->
			<el-pagination
			      @size-change="handleSizeChange"
			      @current-change="handleCurrentChange"
			      :current-page="goods.pagenum"
			      :page-sizes="[5, 10, 15, 20]"
			      :page-size="goods.pagesize"
			      layout="total, sizes, prev, pager, next, jumper"
			      :total="this.total"
				  background>
			</el-pagination>
		</el-card>
	</div>
</template>

<script>
	export default {
		data() {
            return {
				goods: {
					query:'',
					pagenum:1,
					pagesize:10
				},
				total:0,
				goodsList:[]
			}
		},
		created() {
			this.getGoodsList()
		},
		methods: {
			async getGoodsList() {
				const {
					data: res
				} = await this.$http.get(`goods`,{params:this.goods})
				if (res.meta.status != 200) {					
					return this.$message.error('获取失败')
				}
				this.goodsList = res.data.goods
				this.total = res.data.total
			},
			handleSizeChange(newSize) {
				this.goods.pagesize = newSize
				this.getGoodsList()
			},
			handleCurrentChange(newNum) {
				this.goods.pagenum = newNum
				this.getGoodsList()
			},
			async deleteById (id) {
				const confirmResult = await this.$confirm(
				  '此操作将永久删除该商品, 是否继续?',
				  '提示',
				  {
				    confirmButtonText: '确定',
				    cancelButtonText: '取消',
				    type: 'warning'
				  }
				).catch(err => err)
				
				if (confirmResult !== 'confirm') {
				  return this.$message.info('已经取消删除！')
				}
				
				const { data: res } = await this.$http.delete(`goods/${id}`)
				
				if (res.meta.status !== 200) {
				  return this.$message.error('删除失败！')
				}
				
				this.$message.success('删除成功！')
				this.getGoodsList()
			},
			goAddpage() {
				this.$router.push('/goods/add')
			}
			
		}
	}
</script>

<style lang="less" scoped>
</style>
